meteoroid

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Definitions from WordNet

Noun meteoroid has 1 sense

meteoroid, meteor - (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
--₁ is a kind of extraterrestrial object, estraterrestrial body
--₁ has particulars: meteorite; meteor swarm

Definitions from the Web

Meteoroid

Definition:

A meteoroid is a small rocky or metallic object in outer space that is significantly smaller than an asteroid and larger than a particle.

Senses and Usages:

Noun: A celestial object that enters Earth's atmosphere and burns up, also known as shooting star.

Example Sentence: I saw a meteoroid streak across the sky last night.

Noun: A small solid fragment traveling in space.

Example Sentence: Scientists study meteoroids to gain insights into the origins of our solar system.

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